冗余掩蔽中的注意力

IF 1.7 4区 心理学 Q3 PSYCHOLOGY Attention Perception & Psychophysics Pub Date : 2024-05-15 DOI:10.3758/s13414-024-02885-8
Fazilet Zeynep Yildirim-Keles, Daniel R. Coates, Bilge Sayim
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引用次数: 0

摘要

由于视觉分辨率、拥挤程度和注意力等多种因素,周边视觉受到限制。当注意力不集中在刺激物上时,探测、辨别和识别能力往往会受到影响。最近的研究发现了一种严重限制周边视觉的新现象,即 "冗余遮蔽"。在冗余遮蔽中,重复模式中的感知项目数量会减少。例如,当在外围视野中出现三条线并要求参与者报告线的数量时,往往只能报告出两条线。在此,我们研究了注意力在冗余掩蔽中的作用。如果冗余掩蔽是由于对目标的注意力有限造成的,那么当注意力较少分配到目标上时,冗余掩蔽应该更强,而当注意力最大限度地集中在目标上时,冗余掩蔽应该消失。在三种提示条件下(即单提示、双提示和无提示),向受试者展示线阵列并报告线的数量。在所有提示条件下都观察到了冗余掩蔽,观察者报告的线条数少于在单提示、双提示和无提示条件下呈现的线条数。这些结果表明,冗余掩蔽并不是由于注意力有限造成的。与双线索和无线索条件相比,单线索条件下观察者报告的线条数更接近于正确的线条数,这表明注意力的降低会额外影响刺激辨别能力,并复制了注意力降低的典型效应。总之,我们的研究结果表明,对外围刺激的注意程度会调节辨别能力,但不会导致冗余掩蔽。
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Attention in redundancy masking

Peripheral vision is limited due to several factors, such as visual resolution, crowding, and attention. When attention is not directed towards a stimulus, detection, discrimination, and identification are often compromised. Recent studies have found a new phenomenon that strongly limits peripheral vision, “redundancy masking”. In redundancy masking, the number of perceived items in repeating patterns is reduced. For example, when presenting three lines in the peripheral visual field and asking participants to report the number of lines, often only two lines are reported. Here, we investigated what role attention plays in redundancy masking. If redundancy masking was due to limited attention to the target, it should be stronger when less attention is allocated to the target, and absent when attention is maximally focused on the target. Participants were presented with line arrays and reported the number of lines in three cueing conditions (i.e., single cue, double cue, and no cue). Redundancy masking was observed in all cueing conditions, with observers reporting fewer lines than presented in the single, double, and no cue conditions. These results suggest that redundancy masking is not due to limited attention. The number of lines reported was closer to the correct number of lines in the single compared to the double and the no cue conditions, suggesting that reduced attention additionally compromised stimulus discrimination, and replicating typical effects of diminished attention. Taken together, our results suggest that the extent of attention to peripherally presented stimuli modulates discrimination performance, but does not account for redundancy masking.

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来源期刊
CiteScore
3.60
自引率
17.60%
发文量
197
审稿时长
4-8 weeks
期刊介绍: The journal Attention, Perception, & Psychophysics is an official journal of the Psychonomic Society. It spans all areas of research in sensory processes, perception, attention, and psychophysics. Most articles published are reports of experimental work; the journal also presents theoretical, integrative, and evaluative reviews. Commentary on issues of importance to researchers appears in a special section of the journal. Founded in 1966 as Perception & Psychophysics, the journal assumed its present name in 2009.
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